*PAIR* 300-400HP, Chevy 350 Cylinder Heads, E Street 185cc, 70cc, Assembled Pair, suit Hydraulic Flat Tappet, Straight Plug Small Block Chevy SBC

Edelbrock #5073 E Street Cylinder Heads fits Chevy 350 Cylinder Heads, 23 Deg, Straight Plug, Complete to suit Hydralic Flat Tappet.

Edelbrock E street - Sold as a pair. 

The Edelbrock #5073 E-Street cylinder heads are designed for use with 1955-1986 Small Block Chevy applications. Edelbrock E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. Their modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. A great bolt on Cylinder head upgrade for your Small Block Chevy 350.

Edelbrock E-Street Cylinder heads Part# ED5073 Specs:

Brand: Edelbrock

Fits: Chevy 350 Small Block Chevy

Assembled Cylinder Heads Suits: Hydraulic Flat Tappet Camshafts

Series: E street Cylinder Heads, 185cc

Combustion Chamber Volume (cc):  70

Intake Runner Volume (cc):  185cc

Exhaust Runner Volume (cc):  60cc

Cylinder Head Style:  Assembled - suits Hydraulic Flat Tappet Camshaft

Cylinder Head Material:  Aluminum

Intake Port Shape:  Rectangular

Intake Valve Diameter (in.):  2.020 in.

Cylinder Head Color:  Natural

CNC-Machined Combustion Chamber:  No

CNC-Machined Intake Runner:  No

CNC-Machined Exhaust Runner:  No

Intake Port Location:  Standard

Exhaust Port Shape:  Square

Exhaust Port Location:  Standard

Spark Plug Style:  Straight

Intake Valves Included:  Yes

Exhaust Valves Included:  Yes

Exhaust Valve Diameter (in.):  1.600 in.

Valve Springs Included:  Yes

Maximum Valve Lift (in.):  0.550 in.

Camshaft Style:  Hydraulic flat tappet

Outside Diameter of Outer Spring (in.):  1.460 in.

Valve Springs:  Yes - Single with a dampner

Rocker Arm Studs Included:  Yes - 3/8 Screw in studs

Guideplates Included:  Yes suits 5/16 pushrods

Valve Cover Mounting Style:  Perimeter bolt

Intake Valve Angle:  23 deg

Valve Guide Material:  Manganese bronze

Valve Seat Machine Style:  3-angle

Valve Seat Material:  Powdered metal

Steam Holes Drilled:  No

Heat Crossover:  No

Quantity:  Sold as a pair. 2 cylinder heads in the box. 

Notes:

Designed for use with hydraulic flat tappet camshafts less than .550 in. lift. Requires use of hardened pushrods. The valve and seat combination, used in these heads, is not recommended for use with a hydraulic jroller or mechanical roller camshafts.

Edelbrock - made in USA. Total Performance is a Dealer for Edelbrock in Australia.